@charset "utf-8";
* {
  margin: 0;
  padding: 0;
}

body {
  position: relative;
}
#first{
  text-align: center;
}
#research_institute {
  width: 100%;
  header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    background: white;
    .header_innder {
      width: 1200px;
      padding: 20px 0 10px 0;
      overflow: hidden;
      margin: 0 auto;
    }

    //logo 图片
    .logo {
      width: 116px;
      height: 72px;
    }

    #nav {
      float: right;
      .tab_List {
        width: 100%;
        display: flex;
        display: -webkit-box; /* Chrome 4+, Safari 3.1, iOS Safari 3.2+ */
        display: -moz-box; /* Firefox 17- */
        display: -webkit-flex; /* Chrome 21+, Safari 6.1+, iOS Safari 7+, Opera 15/16 */
        display: -moz-flex; /* Firefox 18+ */
        display: -ms-flexbox; /* IE 10 */
        box-sizing: border-box;

        li {
          display: block;
          font-size: 18px;
          text-align: center;
          font-family: 'Microsoft YaHei';
          background-color: #ffffff;
          cursor: pointer;
          margin-left: 60px;
          //上部中文
          .nav_top_word1, .nav_top_word2, .nav_top_word3, .nav_top_word4, .nav_top_word5, .nav_top_word6 {
            font-size: 18px;
            font-weight: 700;
            color: #333333;
          }

          //中部英文
          .nav_middle_word1, .nav_middle_word2, .nav_middle_word3, .nav_middle_word4, .nav_middle_word5, .nav_middle_word6 {
            font-size: 14px;
            margin-top: 12px;
            color: #999999;
            font-weight: normal;
          }

          //底部tab线
          .active_line {
            display: block;
            width: 20px;
            height: 4px;
            background: #1680be;
            margin: 0 auto;
            margin-top: 10px;
          }

          //跳转创新大赛
          a {
            text-decoration: none;

            &:link {
              color: #333333;
            }

            &:visited {
              color: #333333;
            }

            &:hover {
              color: #333333;
            }

            &:active {
              color: #333333;
            }

            span {
              display: block;
            }

            em {
              display: block;
              font-style: normal
            }
          }
        }
      }
    }
  }
}

#mainContentChange {
  margin-top: 114px;
}

#contentBox {
  width: 100%;
  height: auto;
  .box {
    font-size: 24px;
    font-weight: bold;
    display: none;
  }

  .box.active {
    display: block;
  }
}

.swiper-container {
  img {
    height: 500px;
    display: block;
    width: 100%;
  }
}

.mainContent {
  width: 100%;
  margin: 0 auto;
  //标题图片样式
  .con_title {
    position: relative;
    h2 {
      font-size: 30px;
      font-family: '微软雅黑';
      font-weight: 700;
      position: absolute;
      top: 50%;
      left: 50%;
      width: 100%;
      transform: translate(-50%, -50%);
      text-align: center;
      z-index: 899;
    }
  }

  //联盟动态
  .dynamics_content {
    width: 1132px;
    margin: 0 auto;

    img {
      width: 539px;
      height: 86px;
      margin: 0 auto;
      margin-top: 58px;
      margin-bottom: 50px;
    }

    .dynamics_list {
      ul {
        width: 1103px;
        list-style: none;
        margin: 0 auto;
        margin-bottom: 30px;

        .shadows {
          width: 100%;
          height: 288px;
          box-shadow: 0px 4px 20px 4px rgba(153, 153, 153, 0.4);
          overflow: hidden;
        }

        li {
          width: 100%;
          height: 288px;
          //border: 1px solid green;
          overflow: hidden;

          .dynamics_list_img {
            width: 400px;
            height: 226px;
            float: left;
            margin: 0;
            margin: 31px 19px 32px 54px;
          }

          .dynamics_list_content {
            float: left;
            width: 580px;
            height: 175px;
            color: #333333;
            margin-right: 48px;
            font-weight: normal;
            text-align: left;
            position: relative;

            span {
              display: block;
            }

            a {
              text-decoration: none;
              color: #333333;

              &:hover {
                color: #1680be;
              }
            }

            .dynamics_list_title {
              width: 580px;
              font-size: 20px;
              margin-top: 31px;
              word-break: break-all;
              text-overflow: ellipsis;
              display: -webkit-box;
              /** 对象作为伸缩盒子模型显示 **/
              -webkit-box-orient: vertical;
              /** 设置或检索伸缩盒对象的子元素的排列方式 **/
              -webkit-line-clamp: 2;
              /** 显示的行数 **/
              overflow: hidden;
              //vertical-align: middle;
              //line-height: 20px;
              //max-height: 40px;
            }

            .dynamics_list_title_Change {
              width: 580px;
              font-size: 20px;
              margin-top: 31px;
              color: #1680be;
              word-break: break-all;
              text-overflow: ellipsis;
              display: -webkit-box;
              /** 对象作为伸缩盒子模型显示 **/
              -webkit-box-orient: vertical;
              /** 设置或检索伸缩盒对象的子元素的排列方式 **/
              -webkit-line-clamp: 2;
              /** 显示的行数 **/
              overflow: hidden;
            }

            .dynamics_list_abstract {
              width: 580px;
              color: #666666;
              font-size: 16px;
              margin-top: 20px;
              word-break: break-all;
              text-overflow: ellipsis;
              display: -webkit-box;
              /** 对象作为伸缩盒子模型显示 **/
              -webkit-box-orient: vertical;
              /** 设置或检索伸缩盒对象的子元素的排列方式 **/
              -webkit-line-clamp: 3;
              /** 显示的行数 **/
              overflow: hidden;
            }

            .dynamics_list_time {
              font-size: 14px;
              color: #999999;
              position: absolute;
              left: 0;
              bottom: -60px;
            }
          }
        }
      }
    }
  }

  //优秀产品
  .good_product {
    background: #f7f7f7;
    margin: 0 auto;
    width: 100%;
    //border: 1px solid red;
    img {
      width: 539px;
      height: 85px;
      margin: 0 auto;
      margin-top: 74px;
      margin-bottom: 68px;
    }

    .good_product_item {
      padding-bottom: 40px;
      margin-top: 40px;
    }

    ul {
      width: 1103px;
      list-style: none;
      margin: 0 auto;
      overflow: hidden;

      .shadows {
        background: #ffffff;
        //box-shadow: 2px 2px 2px 0px rgba(153, 153, 153, 0.4);
        overflow: hidden;
      }

      li {
        width: 483px;
        height: 92px;

        float: left;
        margin-left: 40px;
        margin-bottom: 40px;
        overflow: hidden;

        img {
          width: 46px;
          height: 58px;
          float: left;
          margin-left: 22px;
          margin-top: 20px;
          margin-right: 18px;
        }

        .good_product_content {
          float: left;
          margin: 20px 30px 20px 0;
          width: 360px;
          max-height: 54px;
          line-height: 28px;
          color: #333333;
          font-weight: 700;
          text-align: left;
          font-size: 20px;
          vertical-align: middle;
          flex-wrap: wrap;
          word-break: break-all;
          text-overflow: ellipsis;
          display: -webkit-box;
          /** 对象作为伸缩盒子模型显示 **/
          -webkit-box-orient: vertical;
          /** 设置或检索伸缩盒对象的子元素的排列方式 **/
          -webkit-line-clamp: 2;
          /** 显示的行数 **/
          overflow: hidden;
        }

        a {
          text-decoration: none;
        }

      }
    }

  }

  //成员风采
  .Members_demeanor {
    width: 1132px;
    margin: 0 auto;
    //border: 1px solid red;
    img {
      width: 538px;
      height: 94px;
      margin: 0 auto;
    }

    .Members_demeanor_item {
      overflow: hidden;
      list-style: none;
      margin-left: 60px;

      li {
        width: 320px;
        margin-right: 20px;
        margin-bottom: 60px;
        float: left;
        text-align: center;
        border: 1px solid #e5e5e5;

        a {
          text-decoration: none;
        }

        img {
          width: 320px;
          height: 350px;
        }

        .doctor_infor {
          width: 320px;
          height: 150px;
          display: flex;
          flex-direction: column;
          align-items: center;
          padding-bottom: 30px;

          span {
            display: block;
          }

          .doctor_name {
            font-size: 20px;
            color: #333333;
            margin-top: 28px;
          }

          .color_line {
            width: 30px;
            height: 5px;
            background: #1680be;
            text-align: center;
            margin-top: 12px;
            margin-bottom: 12px;
          }

          .profession {
            padding: 0 12px;
            box-sizing: border-box;
            font-size: 18px;
            color: #666666;
            flex-wrap: wrap;
            word-break: break-all;
            text-overflow: ellipsis;
            display: -webkit-box;
            /** 对象作为伸缩盒子模型显示 **/
            -webkit-box-orient: vertical;
            /** 设置或检索伸缩盒对象的子元素的排列方式 **/
            -webkit-line-clamp: 2;
            /** 显示的行数 **/
            overflow: hidden;
          }
        }
      }
    }

  }
}


#second {
  width: 100%;
  //图片
  .union_img {
    width: 100%;
    position: relative;
    //宗旨
    h2 {
      width: 100%;
      position: absolute;
      left: 0;
      right: 0;
      top: 200px;
      margin: 0 auto;
      text-align: center;
      font-size: 30px;
      font-weight: 700;
      color: #333333;

      a {
        text-decoration: none;
        color: #333333;
      }

    }

    img {
      width: 100%;
      height: 400px;
    }

    .nav_show {
      width: 1200px;
      height: 183px;
      position: absolute;
      bottom: -98px;
      left: 0;
      right: 0;
      margin: 0 auto;
      //border: 1px solid red;
      .nav_show_list {
        width: 820px;
        height: 200px;
        //background: red;
        margin: 0 auto;
        list-style: none;

        li {
          width: 183px;
          height: 183px;
          background: #007aff;
          float: left;
          margin-right: 22px;

          img {
            width: 183px;
            height: 183px;
            box-shadow: 0px 4px 20px 4px rgba(153, 153, 153, 0.4);
          }
        }
      }
    }
  }

  //创新宣言
  .Declaration {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    .Declaration_title {
      font-size: 30px;
      font-weight: 700;
      color: #333333;
      text-decoration: none;
    }

    .empty_line {
      width: 50px;
      height: 4px;
      background: #1680be;
      margin-top: 20px;
      margin-bottom: 40px;
    }

    .show_more_Declaration1, .show_more_Declaration2 {
      width: 990px;
      height: 400px;
      font-size: 18px;
      color: #666666;
      text-align: left;
      font-weight: normal;
      font-family: '微软雅黑';
      line-height: 40px;
      flex-wrap: wrap;
      word-break: break-all;
      text-overflow: ellipsis;
      display: -webkit-box;
      /** 对象作为伸缩盒子模型显示 **/
      -webkit-box-orient: vertical;
      /** 设置或检索伸缩盒对象的子元素的排列方式 **/
      -webkit-line-clamp: 10;
      /** 显示的行数 **/
      overflow: hidden;

      p {
        text-align: left;
        font-weight: normal;
        font-family: '微软雅黑';
      }

    }

    .show_more_Declaration4 {
      width: 990px;
      font-size: 18px;
      color: #666666;
      text-align: left;
      font-weight: normal;
      font-family: '微软雅黑';
      line-height: 40px;
      overflow: hidden;
      margin-bottom: 60px;
    }

    .checkMore_btn {
      width: 100%;
      margin: 60px 0;
      display: flex;
      justify-content: center;
      align-items: center;

      img {
        width: 192px;
        height: 66px;
      }
    }
  }
}

#three {
  .dynamics_list {
    ul {
      width: 1103px;
      list-style: none;
      margin: 0 auto;
      margin-bottom: 30px;

      .shadows {
        width: 100%;
        height: 288px;
        box-shadow: 0px 4px 20px 4px rgba(153, 153, 153, 0.4);
        overflow: hidden;
      }

      li {
        width: 100%;
        height: 288px;
        //border: 1px solid green;
        overflow: hidden;

        .dynamics_list_img {
          width: 400px;
          height: 226px;
          float: left;
          margin: 0;
          margin: 31px 19px 32px 54px;
        }

        .dynamics_list_content {
          float: left;
          width: 580px;
          height: 175px;
          color: #333333;
          margin-right: 48px;
          font-weight: normal;
          text-align: left;
          position: relative;

          span {
            display: block;
          }

          a {
            text-decoration: none;
            color: #333333;

            &:hover {
              color: #1680be;
            }
          }

          .dynamics_list_title {
            width: 580px;
            font-size: 20px;
            margin-top: 31px;
            word-break: break-all;
            text-overflow: ellipsis;
            display: -webkit-box;
            /** 对象作为伸缩盒子模型显示 **/
            -webkit-box-orient: vertical;
            /** 设置或检索伸缩盒对象的子元素的排列方式 **/
            -webkit-line-clamp: 2;
            /** 显示的行数 **/
            overflow: hidden;
            //vertical-align: middle;
            //line-height: 20px;
            //max-height: 40px;
          }

          .dynamics_list_title_Change {
            width: 580px;
            font-size: 20px;
            margin-top: 31px;
            color: #1680be;
            word-break: break-all;
            text-overflow: ellipsis;
            display: -webkit-box;
            /** 对象作为伸缩盒子模型显示 **/
            -webkit-box-orient: vertical;
            /** 设置或检索伸缩盒对象的子元素的排列方式 **/
            -webkit-line-clamp: 2;
            /** 显示的行数 **/
            overflow: hidden;
          }

          .dynamics_list_abstract {
            width: 580px;
            color: #666666;
            font-size: 16px;
            margin-top: 20px;
            word-break: break-all;
            text-overflow: ellipsis;
            display: -webkit-box;
            /** 对象作为伸缩盒子模型显示 **/
            -webkit-box-orient: vertical;
            /** 设置或检索伸缩盒对象的子元素的排列方式 **/
            -webkit-line-clamp: 3;
            /** 显示的行数 **/
            overflow: hidden;
          }

          .dynamics_list_time {
            font-size: 14px;
            color: #999999;
            position: absolute;
            left: 0;
            bottom: -60px;
          }
        }
      }
    }
  }
}

//回到顶部固定定位
.top_page {
  position: absolute;
  bottom: 420px;
  right: 230px;
  width: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  a {
    text-decoration: none;
  }

  img {
    width: 60px;
    height: 60px;
  }
}

@media screen and (max-width: 1439px) {
  .top_page {
    position: absolute;
    bottom: 420px;
    right: 100px;

    img {
      width: 60px;
      height: 60px;
    }
  }
}

footer {
  width: 100%;
  height: 360px;
  background: #f0f0f0;

  .footer_nav {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    overflow: hidden;

    .footer_nav_left {
      float: left;
      margin-left: 20px;

      .footer_nav_left_uls {
        border-bottom: 1px solid #dddddd;
      }

      ul {
        height: 80px;
        list-style: none;
        margin-top: 40px;

        li {
          width: 74px;
          height: 70px;
          line-height: 70px;
          float: left;
          font-size: 16px;

          font-weight: 700;

          a {
            color: #333333;
            text-decoration: none;
          }
        }

        .special {
          color: #b0b0b0;
          font-weight: normal;
          text-align: center
        }
      }

      .contact_us {
        margin-top: 35px;
        font-size: 16px;
        color: #333333;
        font-weight: 700;
      }

      .contact_tel {
        margin-top: 20px;
        margin-bottom: 20px;
        overflow: hidden;

        a {
          float: left;
          font-size: 14px;
          color: #757575;
          margin-right: 55px;
          text-decoration: none;

          &:hover {
            //color: #1680be;
          }
        }

      }
    }

    .footer_nav_right {
      float: right;
      margin-right: 20px;
      font-weight: 700;
      color: #b0b0b0;

      a {
        text-decoration: none;
      }

      img {
        width: 118px;
        height: 118px;
        margin: 55px 30px 0 30px;
      }

      .public_wrod {
        font-size: 14px;
        color: #666666;
        text-align: center;
        margin-top: 8px;
      }
    }
  }
}